Finding the Fourth Proportional to 1,560,873.74, 2,341,034.18 and 423,724.25
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Solution
The fourth proportional to 1,560,873.74, 2,341,034.18 and 423,724.25 is: 635,511.33
Step by Step Solution
- Step 1: Write the proportion equation
1,560,873.74 : 2,341,034.18 = 423,724.25 : x - Step 2: Convert to fraction form
1,560,873.74/2,341,034.18 = 423,724.25/x - Step 3: Cross multiply
1,560,873.74x = 2,341,034.18 × 423,724.25 - Step 4: Simplify right side
1,560,873.74x = 991,952,938,321.07 - Step 5: Solve for x
x = 991,952,938,321.07/1,560,873.74 - Step 6: Final answer
x = 635,511.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.